@keyframes backgroundAnimation {
    0% {
        background-image: url(../img/img1.jpg);
    }
    20% {
        background-image: url(../img/img2.jpg);
    }
    40% {
        background-image: url(../img/img3.jpg);
    }
    60% {
        background-image: url(../img/img4.jpg);
    }
    80% {
        background-image: url(../img/img1.jpg);
    }
    100% {
        background-image: url(../img/augh8-4zagg.jpg);
    }

}

body {
    animation: backgroundAnimation 20s infinite ease-in-out;
    background-repeat: no-repeat;
    background-size: cover;
    width: 1024px;
    height: 1768px;
    margin: 0;
    body {
        transition: background-image 1s ease-in-out;
        /* 添加平滑过渡 */
    }
}

.box {
    width: 60%;
    height: 450px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.8);
    display: flex;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.left {
    width: 65%;
}

.left>img {
    display: block;
    height: 100%;
    width: 100%;
    object-fit: cover;
}

.right {
    width: 35%;
    height: 100%;
    background-color: #fff;
    box-sizing: border-box;
    padding: 0 20px;

}

.h1 {
    text-align: center;
    padding-top: 45px;
    margin-top: 0;
}

input {
    margin-left: 20%;
}

.inputItem {
    height: 44px;
    padding: 0;
    padding-left: 5px;
    border: none;
    background: center;
    outline: none;
    border-bottom: 3px solid #b3a5fc;
}

.forgetPassword {
    margin-top: 25px;
    color: #9c3493;
    text-align: right;
    display: block;
    font-size: 10px;
}

.btn {
    background: linear-gradient(to right, #65cbf7, #b3a5b3);
    color: #9c3493;
    font-weight: 700;
    border: none;
    border-radius: 30px;
    height: 46px;
    width: 80%;
    font-size: 18px;
    display: block;
    margin: auto;
    margin-top: 20px;
}

@media screen and (min-width: 960px) {

    .box {
        max-width: 950px;
        min-width: 750px;
    }
}